| article html file updated | 9 February 2020 09:39 CET | Update | https://www.mdpi.com/2313-5778/2/1/12 |
| article html file updated | 1 May 2019 12:09 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:55 CEST | Update | N/A |
| article html file updated | 29 March 2019 06:08 CET | Update | N/A |
| article html file updated | 13 March 2018 11:31 CET | Original file | N/A |
| article xml uploaded. | 13 March 2018 11:30 CET | Original file | https://www.mdpi.com/2313-5778/2/1/12/xml |
| article pdf uploaded. | 13 March 2018 11:30 CET | Version of Record | https://www.mdpi.com/2313-5778/2/1/12/pdf |
